Laster

noun
  1. A person who works with lasts, which are forms or molds used in shoemaking to shape shoes. noun
    The laster carefully adjusted the shoe on the last to ensure a perfect fit.
    In the shoemaking workshop, the laster is responsible for the final shaping of the footwear.
  2. A tool or machine used in the process of lasting, which is the operation of shaping the shoe on a last. noun
    The laster was used to mold the leather around the last for a snug fit.
    Modern shoemaking often involves automated lasters to increase production efficiency.